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Effects of zinc and iron supplementation fail to improve motor and language milestone scores of infants and toddlers.


ABSTRACT: To assess the effects of zinc and iron-folic acid supplementation on motor and language milestones in Nepali children.Five hundred forty-four children 4 to 17 mo old residing in Ishwarpur, Nepal were randomized to receive placebo, iron-folic acid, zinc, or zinc plus iron-folic acid daily. Data were collected at baseline and at 3-mo intervals for 1 y. The main effects of zinc and iron folic-acid supplementation were estimated for motor and language milestones. Crude and adjusted mean cumulative changes in scores from visits 1 to 5 and adjusted rates of change were modeled.Adjusted differences in motor milestone scores from visits 1 to 5 and rates of change were not significantly different for the zinc and non-zinc groups (adjusted ? = -0.7, 95% confidence interval [CI] -1.4 to 0.01; adjusted ? = -0.1, 95% CI -0.5 to 0.3, respectively). Motor milestones in children receiving and not receiving iron supplements were not significantly different (adjusted ? = 0.1, 95% CI -0.7 to 0.8, from visits 1 to 5; adjusted ? = 0.1, 95% CI -0.3 to 0.5, for rate of change). Children receiving zinc had a 0.8 lower mean crude change in language score from visits 1 to 5 compared with children not receiving zinc (95% CI -1.3 to -0.3), but the significance was lost after adjustment (adjusted ? = -0.2, 95% CI -0.6 to 0.2, for visits 1 to 5; ? = -0.1, 95% CI -0.3 to 0.2, for rate of change). No significant difference in motor or language milestone scores from iron supplementation was observed.After 1 y, neither zinc nor iron-folic acid supplementation in Nepali children improved the attainment of motor or language milestones.

SUBMITTER: Surkan PJ 

PROVIDER: S-EPMC3761420 | biostudies-literature | 2013 Mar

REPOSITORIES: biostudies-literature

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Effects of zinc and iron supplementation fail to improve motor and language milestone scores of infants and toddlers.

Surkan Pamela J PJ   Siegel Emily H EH   Patel Shivani A SA   Katz Joanne J   Khatry Subarna K SK   Stoltzfus Rebecca J RJ   Leclerq Steven C SC   Tielsch James M JM  

Nutrition (Burbank, Los Angeles County, Calif.) 20130105 3


<h4>Objective</h4>To assess the effects of zinc and iron-folic acid supplementation on motor and language milestones in Nepali children.<h4>Methods</h4>Five hundred forty-four children 4 to 17 mo old residing in Ishwarpur, Nepal were randomized to receive placebo, iron-folic acid, zinc, or zinc plus iron-folic acid daily. Data were collected at baseline and at 3-mo intervals for 1 y. The main effects of zinc and iron folic-acid supplementation were estimated for motor and language milestones. Cr  ...[more]

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